12.1.8 Technical data
M12359-1 v15
Table 170: SESRSYN technical data
Function
Range or value Accuracy
Phase shift, j
line
- j
bus
(-180 to 180) degrees -
Voltage high limit for
synchronizing and
synchrocheck
(50.0-120.0)% of UBase
±0.5% of U
r
at U ≤ U
r
±0.5% of U at U > U
r
Reset ratio, synchrocheck > 95% -
Frequency difference limit
between bus and line for
synchrocheck
(0.003-1.000) Hz
±2.5 mHz
Phase angle difference limit
between bus and line for
synchrocheck
(5.0-90.0) degrees
±2.0 degrees
Voltage difference limit
between bus and line for
synchronizing and
synchrocheck
(0.02-0.5) p.u
±0.5% of U
r
Time delay output for
synchrocheck when angle
difference between bus and
line jumps from “PhaseDiff”
+ 2 degrees to “PhaseDiff” -
2 degrees
(0.000-60.000) s
±0.2% or ±35 ms whichever is
greater
Frequency difference
minimum limit for
synchronizing
(0.003-0.250) Hz
±2.5 mHz
Frequency difference
maximum limit for
synchronizing
(0.050-1.000) Hz
±2.5 mHz
Maximum allowed frequency
rate of change
(0.000-0.500) Hz/s ±10.0 mHz/s
Maximum closing angle
between bus and line for
synchronizing
(15-30) degrees
±2.0 degrees
Breaker closing pulse
duration
(0.050-1.000) s ±0.2% or ±15 ms whichever is
greater
tMaxSynch, which resets
synchronizing function if no
close has been made before
set time
(0.000-6000.00) s
±0.2% or ±35 ms whichever is
greater
Minimum time to accept
synchronizing conditions
(0.000-60.000) s ±0.2% or ±35 ms whichever is
greater
Voltage high limit for
energizing check
(50.0-120.0)% of UBase ±0.5% of U
r
at U ≤ U
r
±0.5% of U at U > U
r
Reset ratio, voltage high limit > 95% -
Voltage low limit for
energizing check
(10.0-80.0)% of UBase ±0.5% of U
r
Reset ratio, voltage low limit < 105% -
Table continues on next page
Section 12 1MRK 505 394-UEN A
Control
320 Line differential protection RED650 2.2 IEC
Technical manual